# Filters added to this controller apply to all controllers in the application.
# Likewise, all the methods added will be available for all controllers.

class ApplicationController < ActionController::Base
  helper :all
  helper_method :current_user_session, :current_user, :is_admin?
  filter_parameter_logging :password, :password_confirmation


 private
     def is_admin?
        (current_user and current_user.security_level==0)
     end

     def current_user_session
      return @current_user_session if defined?(@current_user_session)
      @current_user_session = UserSession.find
    end

    def current_user
      return @current_user if defined?(@current_user)
      @current_user = current_user_session && current_user_session.record
    end

    def require_user
      unless current_user
        store_location
        flash[:notice] = "You must be logged in to access this page"
        redirect_to new_user_session_url
        return false
      end
    end

    def require_no_user
      if current_user
        store_location
        flash[:notice] = "You must be logged out to access this page"
        redirect_to root_url
        return false
      end
    end

    def store_location
      session[:return_to] = request.request_uri
    end

    def redirect_back_or_default(default)
      redirect_to(session[:return_to] || default)
      session[:return_to] = nil
    end
    
    def is_join_correct()
      begin
        # check if tournament exist
        tournament = Tournament.find(params[:id])
      rescue ActiveRecord::RecordNotFound
        flash[:notice] = 'Tournament with id ' + params[:id] + ' doesn\'t exist...'
        redirect_to tournaments_url
      end
    end
end